diff --git a/package.json b/package.json
index 800fcb0..d00b8ef 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "serverless-webpack": "^5.2.0",
     "ts-jest": "^24.2.0",
     "ts-loader": "^5.3.3",
-    "typescript": "^3.2.4",
+    "typescript": "^4.1.3",
     "webpack": "^4.29.0",
     "webpack-node-externals": "^1.7.2"
   }
diff --git a/yarn.lock b/yarn.lock
index 11089fd..45c0300 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6174,10 +6174,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.2.4:
-  version "3.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.2.tgz#27e489b95fa5909445e9fef5ee48d81697ad18fb"
-  integrity sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ==
+typescript@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
 uglify-js@^3.1.4:
   version "3.7.0"